function show() {
	/*====test====*/
	//	var i = 0;
	//	$("#t" + i).css('background', 'url(/edu/img/95add9d1055348c.jpg)');
	//	$("#t" + i + " > span").html("test" + "<br />" + "test");
	//	$("#a" + i + ">div>div>div:eq(0)").html("test0");
	//	$("#a" + i + ">div>div>div:eq(1)").html("test1");
	//	$("#a" + i + ">div>div>div:eq(2)").html("test2");
	//	$("#a" + i + ">div>div>div:eq(3)").html("test3");
	/*====get data====*/
	/*====get play image=====*/
	$.ajax( {
		url: "/edu/index/getIndexImg",
		type: "POST",
		dataType: "json",
		async: false,
		success: function(data) {
			if (data.status) {
				$.each(data.indexImg, function(i, item) {
					$(".imgPlayDiv>ul>li:eq(" + i + ")> a").attr("href", item.href);
					$(".imgPlayDiv>ul>li:eq(" + i + ") > a > img").attr("src", item.imgPath);
					$(".imgPlayDiv>ul>li:eq(" + i + ") > a > img").attr("alt", item.desc);
				});
			} else {

			}
		}
	});

	/*====get teacher info====*/
	/*
	$.ajax( {
		url: "/edu/teacher/getTeacherList",
		type: "POST",
		data: {
			count: 3
		},
		dataType: "json",
		async: false,
		success: function(data) {
			if (data.status) {
				$.each(data.teacherInfo, function(i, item) {
					$("#t" + i).css("background", "url(" + item.photoPath + ")");
					$("#t" + i + " > span").innerHTML = item.name + "<br />" + item.edubg;
					$("#t" + i + " > a").attr("href", "/edu/teacher/teacherInfo.html?teacher_id=" + item.teacherId);
				});
			} else {

			}
		}
	});
	*/
	getTeacherList(3);

	/*====get lesson info====*/
	$.ajax( {
			url: "/edu/lesson/getLessonInfo",
			type: "POST",
			data: {
				rows: 9
			},
			dataType: "json",
			async: false,
			success: function(data) {
				if (data.status) {
					$.each(data.rows, function(i, item) {
							$("#a"+i).attr("href","/edu/lesson/lessonInfo.html?lesson_id="+item.lesson_id);
							$("#a" + i + ">div>img").attr("src", item.photo_path);
							$("#a" + i + ">div>div>div:eq(0)").html(item.name);
							$("#a" + i + ">div>div>div:eq(1)").html(item.hour);
							$("#a" + i + ">div>div>div:eq(2)").html(item.price);
							$("#a" + i + ">div>div>div:eq(3)").html("适用范围:"+item.grade);
					});
			} else {

			}
		}
	});

/*====#imgPlayDiv focus====*/
$.focus(".imgPlayDiv");
}



/*====play image  start====*/
$(function() {
	jQuery.focus = function(slid) {
		var sWidth = $(slid).width(); //获取焦点图的宽度（显示面积）
		var len = $(slid).find("ul li").length; //获取焦点图个数
		var index = 0;
		var picTimer;

		//以下代码添加数字按钮和按钮后的半透明条，还有上一页、下一页两个按钮
		var btn = "<div class='btnBg'></div><div class='btn'>";
		for (var i = 0; i < len; i++) {
			var ii = i + 1;
			btn += "<span>" + ii + "</span>";
		}
		btn += "</div><div class='preNext pre'></div><div class='preNext next'></div>";
		$(slid).append(btn);
		$(slid).find("div.btnBg").css("opacity", 0.5);

		//为小按钮添加鼠标滑入事件，以显示相应的内容
		$(slid + " div.btn span").css("opacity", 0.4).mouseenter(function() {
			index = $(slid + " .btn span").index(this);
			showPics(index);
		}).eq(0).trigger("mouseenter");

		//上一页、下一页按钮透明度处理
		$(slid + " .preNext").css("opacity", 0.2).hover(function() {
			$(this).stop(true, false).animate({
				"opacity": "0.5"
			}, 300);
		}, function() {
			$(this).stop(true, false).animate({
				"opacity": "0.2"
			}, 300);
		});

		//上一页按钮
		$(slid + " .pre").click(function() {
			index -= 1;
			if (index == -1) {
				index = len - 1;
			}
			showPics(index);
		});

		//下一页按钮
		$(slid + " .next").click(function() {
			index += 1;
			if (index == len) {
				index = 0;
			}
			showPics(index);
		});

		//本例为左右滚动，即所有li元素都是在同一排向左浮动，所以这里需要计算出外围ul元素的宽度
		$(slid + " ul").css("width", sWidth * (len));

		//鼠标滑上焦点图时停止自动播放，滑出时开始自动播放
		$(slid).hover(function() {
			clearInterval(picTimer);
		}, function() {
			picTimer = setInterval(function() {
				showPics(index);
				index++;
				if (index == len) {
					index = 0;
				}
			}, 4000); //此4000代表自动播放的间隔，单位：毫秒
		}).trigger("mouseleave");

		//显示图片函数，根据接收的index值显示相应的内容
		function showPics(index) { //普通切换
			var nowLeft = -index * sWidth; //根据index值计算ul元素的left值
			$(slid + " ul").stop(true, false).animate({
				"left": nowLeft
			}, 300); //通过animate()调整ul元素滚动到计算出的position
			$(slid + " .btn span").removeClass("on").eq(index).addClass("on"); //为当前的按钮切换到选中的效果
			$(slid + " .btn span").stop(true, false).animate({
				"opacity": "0.4"
			}, 300).eq(index).stop(true, false).animate({
				"opacity": "1"
			}, 300); //为当前的按钮切换到选中的效果
		}

	};

});
/*====play image  end====*/